What is virtual memory Virtual memory is the part of a hard drive and is extra memory that works with a combination of RAM (Random Access Memory). RAM is also known as the main memory or physical memory. The speed of the main memory is very fast as compared to virtual memory. Virtual Memory Diagram Suppose you are running some applications of windows e.g. you are running MS [...]
There are two main storage memories in the computer system. One is RAM (Random access memory) also known as main memory other is secondary memory also known as a hard drive. Diagram of virtual memory All the computer programs are stored in the main memory while running. The CPU (central processing unit) or processor get programs data from the main memory. The main memory is a type of [...]
Physical topology means how network devices are physically connected. This includes the physical connection of hubs, switches, routers, cables etc. in the network. This type of topology explains how the network devices are plugged into each other. Physical Topology Diagram Types of physical topology Some types of physical topology are:- Star Topology: In star topology network components are connected to a central node such as a router, switch [...]
Tablet PC is a touch screen device which is larger than a smartphone and smaller than a notebook. Tablets have a processor, graphics card, sound card and battery. Tablets are mostly used by kids, students and old age people. Kids play games, listen to songs and study on tablets. Students use tablets for doing homework, watching lectures and other research-related tasks. Old people use this device for reading [...]
Microsoft Windows 11 was released on October 4, 2021. The previous version of the Microsoft operating system was Windows 10 which was released in 2015. In Windows 11 we can see many improvements like Xbox gaming is improved, running android apps become possible, a new start menu, rounded corner Windows and much more. Pros and Cons of Windows 11 Today I am going to discuss some pros and [...]
Microsoft PowerPoint was developed by Robert Gaskins and Dennis Austin in the company named Forethought, Inc. The previous name of PowerPoint was Presenter and it was available for Mac Computers. Microsoft bought the Presenter for $14 million in 1987 and renamed it PowerPoint. Version 1.0 of PowerPoint came with text, images and other objects. Version 2.0 was available for both Windows and Mac computers. Microsoft released version 3.0 [...]
iOS is the mobile operating system developed by Apple Company. This operating system runs on iPhones and iPods. iOS was developed by using assembly language, Objective-C, C, C++, and swift. Android is the mobile operating system developed by Google. This operating system runs on smartphones and tablets. Android was developed by using Java, C, C++ and other languages. Now let us discuss the comparison between iOS and android:- [...]
A touch user interface is a type of interaction between a user and a computer-based device. This interaction is by doing a physical touch on the screen and the computer responds to this touch interaction. The first touch screen phone was launched in 1992 by IBM and was named IBM Simon. iPhone was the latest invention of the touch screen phone which gets its popularity in no time. [...]
What is transaction processing system (TPS) A transaction processing system or TPS is a type of information system in which transactional data is stored, modified and retrieved. Take an example of a bank in which a transaction of money is done between bank and customer. The customer gives a check to the bank and the bank resolve that check and it is a type of transaction. Similarly, we [...]
An information system is the travel of data from one location to another. If you have an internet-connected to your computer then you can transfer data from your computer to another computer within seconds. In old days we don’t have a network facility by which we can move data from one computer to other. With the invention of the internet, data can be transferred to different locations easily. [...]
